CVE-2021-1583: Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability

Published Aug 25, 2021

Updated

A vulnerability in the fabric infrastructure file system access control of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to read arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker with Administrator privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to read arbitrary files on the file system of the affected device.

Affected Software

42 affected components

Cisco NX-OS=14.2\(7f\)

Cisco Nexus 9000

Cisco Nexus 9000v

Cisco Nexus 92160yc-x

Cisco Nexus 92300yc

Cisco Nexus 92304qc

Cisco Nexus 92348gc-x

Cisco Nexus 9236c

Cisco Nexus 9272q

Cisco Nexus 93108tc-ex

Cisco Nexus 93108tc-ex-24

Cisco Nexus 93108tc-fx

Cisco Nexus 93108tc-fx-24

Cisco Nexus 93108tc-fx3p

Cisco Nexus 93120tx

Cisco Nexus 93128tx

Cisco Nexus 9316d-gx

Cisco Nexus 93180lc-ex

Cisco Nexus 93180yc-ex

Cisco Nexus 93180yc-ex-24

Cisco Nexus 93180yc-fx

Cisco Nexus 93180yc-fx-24

Cisco Nexus 93180yc-fx3

Cisco Nexus 93180yc-fx3s

Cisco Nexus 93216tc-fx2

Cisco Nexus 93240yc-fx2

Cisco Nexus 9332c

Cisco Nexus 9332pq

Cisco Nexus 93360yc-fx2

Cisco Nexus 9336c-fx2

Cisco Nexus 9336c-fx2-e

Cisco Nexus 9348gc-fxp

Cisco Nexus 93600cd-gx

Cisco Nexus 9364c

Cisco Nexus 9364c-gx

Cisco Nexus 9372px

Cisco Nexus 9372px-e

Cisco Nexus 9372tx

Cisco Nexus 9372tx-e

Cisco Nexus 9396px

Cisco Nexus 9396tx

Cisco Nexus 9508

Remediation

Patch Available

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-afr-UtjfO2D7

Event History

Aug 25, 2021

CVE Published

via MITRE·07:10 PM

Data Sourced

via MITRE·07:10 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2021-1583?

CVE-2021-1583 is a vulnerability in the fabric infrastructure file system access control of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode.

How does CVE-2021-1583 affect Cisco Nexus 9000 Series Fabric Switches?

CVE-2021-1583 could allow an authenticated, local attacker to read arbitrary files on an affected system.

What is the severity of CVE-2021-1583?

The severity of CVE-2021-1583 is medium with a CVSS score of 4.4.

How can I fix CVE-2021-1583?

To fix CVE-2021-1583, it is recommended to apply the necessary updates or patches provided by Cisco.

Where can I find more information about CVE-2021-1583?

You can find more information about CVE-2021-1583 on the Cisco Security Advisory website.